package io;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyDemo2 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis=new FileInputStream("汪峰_怒放的生命_4.jpg");
        FileOutputStream fos=new FileOutputStream("汪峰_怒放的生命_4_cp2.jpg");
        long start=System.currentTimeMillis();
        byte[]data=new byte[1024*10];//10kb
        while (fis.read(data)!=-1){
            fos.write(data);
        }
        long end=System.currentTimeMillis();
        System.out.println("复制ok！耗时一共："+(end-start)+"ms");
        fis.close();
        fos.close();
    }
}
